osama bin laden's son-in-law stood in an american court today and pleaded not guilty to conspiring to kill americans. sulaiman abu ghaith appeared in new york federal court just blocks away from where the twin towers fell. after all of these years, how did the c.i.a. finally catch him? for that we turn to senior correspondent john miller, former assistant director of the f.b.i. john? >> reporter: scott, sulaiman abu ghaith was one of a number of key aides and family members of osama bin laden who spent most of the last decade living in iran largely under house arrest. weeks ago, abu ghaith managed to get out of iran and cross the border into turkey. the c.i.a.'s bin laden group was able to track abu ghaith's movements to a luxury hotel in downtown apg a. he hoped to get help from al qaeda's network to move from out country, but the c.i.a. was working with the m.i.t., turkey's national intelligence service, and they arrested abu ghaith a month ago. while in turkish custody, he was interrogated by a u.s.-led multiagency group known as the high value detainee interrogation group, or the